CN103997628A - Method and communication structure for optimizing thermal power plant information system - Google Patents
Method and communication structure for optimizing thermal power plant information system Download PDFInfo
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- CN103997628A CN103997628A CN201410253462.4A CN201410253462A CN103997628A CN 103997628 A CN103997628 A CN 103997628A CN 201410253462 A CN201410253462 A CN 201410253462A CN 103997628 A CN103997628 A CN 103997628A
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Abstract
The invention relates to a method and a communication structure for optimizing a thermal power plant information system, and belongs to the technical field of electric power system information systems. The method and the communication structure for optimizing the thermal power plant information system are suitable for the technical transformation of transforming and upgrading of systems of thermal power plant security and protection, management and the like. The method includes the following steps that (1) full-digital cameras are adopted in all video monitoring sites of a video monitoring system, and full digitalization of the video monitoring system is realized; (2) IP telephone equipment is used as telephone equipment of the whole plant; (3) a switch multiplexing mode is adopted in the video monitoring sites, entrance guard control sites, a network and voice information sites in every auxiliary workshop to reduce the quantity of switches; (4) the video monitoring sites, the entrance guard control sites, a data access site and a voice access site in every auxiliary workshop are connected with the corresponding switch through an optical connecting box so as to optimize optical cable wiring. The invention further discloses the communication structure applying the method for optimizing the thermal power plant information system. The method and the communication structure for optimizing the thermal power plant information system have the advantages of being low in use cost, small in occupied space, strong in stability, free of interference and the like.
Description
Technical field
The present invention relates to method and communication structure that a kind of thermal power plant information system is optimized, be applicable to the transformation and upgrade optimisation technique transformation of the systems such as thermal power plant security protection, management.Belong to power system information systems technology field.
Background technology
At present, information system of power plants mainly comprises supervisory information system, management information system, video monitoring system, gate control system etc.In prior art, each information system of described power plant is independent separately, is carried out the setting of each system by different integrated suppliers, and the information between each system connects to lack and considers, and is difficult to form comprehensive information management system.There is following aspect defect: (1) is because each auxiliary shop of power plant all needs to arrange video surveillance point, access point, data message point and voice messaging point, described video surveillance point, access point, data message point and voice messaging point need to be connected with the main system of main power house or plant area's office building, simultaneously because each auxiliary shop is all far away apart from main power house, therefore, need to consume a large amount of fiber optic cables, the optical cable enormous amount that causes full power plant to use.(2) due to a plurality of coexistence of systems of full factory, hardware is of a great variety, and standby redundancy kind is complicated; A plurality of control system agreements are different, and extent of information sharing is not high each other; Operations staff need to be familiar with multiple hardwares operation, and training amount is large.(3) because multiple systems coexists, the operations staff who needs is many, and operation maintenance workload is large, greatly increases operation cost.
Summary of the invention
One of object of the present invention, is the method in order to provide a kind of thermal power plant information system to optimize, and the method has low cost, feature that efficiency of operation is high.
One of object of the present invention is the communication structure in order to provide a kind of thermal power plant information system to optimize.
One of object of the present invention can be achieved through the following technical solutions:
The method that thermal power plant information system is optimized, is characterized in that:
1) each video surveillance point of video monitoring system adopts totally digitilized video camera, realizes the total digitalization of video monitoring system;
2) telephone plant of full factory adopts IP phone equipment;
3) at each auxiliary shop, video surveillance point, access control point and network and voice messaging point are taked to the multiplexing mode of switch, to reduce the quantity of switch;
4) at each auxiliary shop by being connected between video surveillance point, access control point and network and voice messaging point and switch, by optical Fiber Closure, connect, to optical cable, wiring is optimized.
One of object of the present invention can also be achieved through the following technical solutions:
Further, video monitoring system adopts digital equipment, and front-end camera is all linked into the core switch of video monitoring system by switch.
Further, multiplexing by switch, the video surveillance point of each auxiliary shop, data point and voice point are shared to a switch and be linked into the mainframe of video monitoring system, then be connected to mis system and communication system by optical Fiber Closure.
Further, the video surveillance point of each auxiliary shop, data point and voice point are shared to the mainframe that a switch is linked into video monitoring system, comprising:
1) access-layer switch of the intrasystem video surveillance point of industrial wastewater and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
2) access-layer switch of the intrasystem video surveillance point in natural gas pressure regulating station and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
3) access-layer switch of the intrasystem video surveillance point of hydrogen generator station and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
4) access-layer switch of the intrasystem video surveillance point of water purification station and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
5) access-layer switch of the intrasystem video surveillance point of circulating pump room and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable.
Two of object of the present invention can be achieved through the following technical solutions:
The communication structure that a kind of thermal power plant information system is optimized, comprise information processing centre, host exchange, video voice data integration system and gate control system, video voice data integration system is uploaded information with gate control system and is connected to host exchange, host exchange is uploaded information to information processing centre, and its design feature is:
1) information processing centre and host exchange connect and compose data double-way transfer structure;
2) host exchange is connected with one or more secondary switches, and described secondary switch is located at video monitoring regional and the gate control system region of on-site; Video monitor communication system is connected each secondary switch with gate control system by data wire, make video monitor communication system and gate control system and secondary switch set up bi-directional data transfer structure, and connect the data double-way transfer structure between host exchange formation and information processing centre by secondary switch;
3) video voice data integration system includes and is distributed in the one or more video surveillance points in each region, audio access point and data access point in factory, the signal output part of described video surveillance point, audio access point and data access point and the signal output part of gate control system are connected the input of each secondary switch, by secondary switch, be sent to successively host exchange, information processing centre, form the communication structure of the thermal power plant information system optimization of centralized and unified control and management; Described video surveillance point adopts digital camera, and described audio access point adopts IP phone machine.
Two of object of the present invention can also be achieved through the following technical solutions:
Further, described host exchange comprises closed-circuit television core switch and gate inhibition's core switch.
Further, the secondary switch in each region of described factory accesses closed-circuit television core switch and gate inhibition's core switch by terminal box.
Further, between described terminal box and host exchange, adopt four-core fiber to be connected.
Further, described terminal box adopts twelve-core optical fiber to be connected with secondary switch.
Further, described IP phone accesses secondary switch by netting twine.
The present invention has following outstanding advantages and remarkable result with respect to prior art:
1, the monitoring communications information of video voice data integration system of the present invention and gate control system and management information are joined by secondary switch and host exchange, setting up data double-way transmits, realize the optimization information system of power plants structure of centralized and unified control and management, therefore have make its cost low, take up room little, stablize the beneficial effects such as strong, interference-free.
2, the data point of comprehensive wiring and voice point in video voice data integration system of the present invention and gate control system and factory, adopt same connecting line access switch, by switch link information processing center, greatly save the laying cost of system, take simultaneously and lay space.
3, each site of video monitor communication system of the present invention and gate control system exchanges to connect by secondary and utilizes terminal box access host exchange, thereby has optimized information system of power plants structure whole, reduces the circuit of redundancy, has saved fiber cable laying cost.
4, telephone plant of the present invention consists of the IP phone on connecting system structure netting twine, reduces thus laying and the use cost of telephone wire.
5, the present invention takes the multiplexing mode of switch at each auxiliary shop by video surveillance point, access control point and data message point and voice messaging point, to reduce the quantity of switch.
Accompanying drawing explanation
Fig. 1 is the functional-block diagram of the communication structure that the present invention relates to.
Embodiment
Below in conjunction with accompanying drawing, the invention will be described in further detail.
With reference to Fig. 1, the communication structure that the thermal power plant information system that the present embodiment relates to is optimized, comprise information processing centre 1, host exchange 2, video voice data integration system 3 and gate control system 4, video voice data integration system 3 is uploaded information with gate control system 4 and is connected to host exchange 2, host exchange 2 is uploaded information to information processing centre 1, and information processing centre and host exchange connect and compose data double-way transfer structure; Host exchange is connected with one or more secondary switches, and described secondary switch is located at video monitoring regional and the gate control system region of on-site; Video monitor communication system is connected each secondary switch with gate control system by data wire, make video monitor communication system and gate control system and secondary switch set up bi-directional data transfer structure, and connect the data double-way transfer structure between host exchange formation and information processing centre by secondary switch; Video voice data integration system 3 includes and is distributed in the one or more video surveillance points 10 in each region, audio access point 9 and data access point 11 in factory, described video surveillance point 10, audio access point 9 and the signal output part of data access point 11 and the signal output part of gate control system are connected the input of each secondary switch 5, by secondary switch 5, be sent to successively host exchange 2, information processing centre 1, form the communication structure of the thermal power plant information system optimization of centralized and unified control and management; Described video surveillance point 10 adopts digital camera, described audio access point) 9 employing IP phone machines.Described digital camera, IP phone machine and the signal output part of data access point 11 and the signal output part of gate control system are connected the input of each secondary switch 5, by secondary switch 5, be sent to successively host exchange 2, information processing centre 1, form the communication structure of the thermal power plant information system optimization of centralized and unified control and management.
In embodiment:
Described host exchange 2 comprises closed-circuit television core switch 6 and gate inhibition's core switch 7.The secondary switch 5 in each region of described factory is by terminal box 8 access closed-circuit television core switch 6 and gate inhibition's core switch 7.Between described terminal box 8 and host exchange 2, adopt four-core fiber to be connected.Described terminal box 8 adopts twelve-core optical fiber to be connected with secondary switch 5.Described IP phone 9 accesses secondary switch 5 by netting twine.
According to the needs in plant area region, described host exchange 2 also includes closed-circuit television and gate inhibition's core switch 6.On closed-circuit television and gate inhibition's core switch 6 outlet lines, one or more terminal boxes 8 can be installed and carry out extended circuit, the secondary switch 5 in each described region is by terminal box 8 access closed-circuit television core switch 6 and gate inhibition's core switch 7.This terminal box 8 adopts twelve-core optical fiber to be connected with four-core fiber with being connected of host exchange 1 and secondary switch 5, be that terminal box 8 adopts four-core fiber to dock with host exchange 2, terminal box 8 and secondary switch 5 twelve-core fiber alignments, described IP phone 9, accesses secondary switch 5 by netting twine.
When thermal power plant information system being optimized to design, mainly consider following method:
1) each video surveillance point of video monitoring system adopts totally digitilized video camera, realizes the total digitalization of video monitoring system;
2) telephone plant of full factory adopts IP phone equipment;
3) at each auxiliary shop, video surveillance point, access control point and network and voice messaging point are taked to the multiplexing mode of switch, to reduce the quantity of switch;
4) at each auxiliary shop by being connected between video surveillance point, access control point and network and voice messaging point and switch, by optical Fiber Closure, connect, to optical cable, wiring is optimized.
Further, video monitoring system adopts digital equipment, and front-end camera is all linked into the core switch of video monitoring system by switch.
Further, multiplexing by switch, the video surveillance point of each auxiliary shop, data point and voice point are shared to a switch and be linked into the mainframe of video monitoring system, then be connected to mis system and communication system by optical Fiber Closure.
Further, the video surveillance point of each auxiliary shop, data point and voice point are shared to the mainframe that a switch is linked into video monitoring system, comprising:
1) access-layer switch of the intrasystem video surveillance point of industrial wastewater and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
2) access-layer switch of the intrasystem video surveillance point in natural gas pressure regulating station and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
3) access-layer switch of the intrasystem video surveillance point of hydrogen generator station and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
4) access-layer switch of the intrasystem video surveillance point of water purification station and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
5) access-layer switch of the intrasystem video surveillance point of circulating pump room and data point, voice point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable.
The present invention is when practical application, video monitoring system adopts digital equipment, in each region of plant area, as in industrial wastewater region, each place in region, natural gas pressure regulating station, hydrogen generator station region, water purification station region, circulating pump room region is respectively arranged with one or more access controllers 12 and digital camera 10, and in each region, is provided with one or more information points 11 and IP phone 9.Its connected mode is: the access controller 12 that each point distributes accesses access control case 13 by vision cable, then by four optical-fiber cable, access control case 13 and gate inhibition's core switch 7 is joined; Digital camera 10 is by six class eight core cable access secondary switches 5, by 12 core optical cables and closed-circuit television core switch 6, join again, between secondary switch 5 is connected with closed-circuit television core switch 6, terminal box 8 is set, is convenient to more secondary switch 5 access ports of closed-circuit television core switch 6 expansion; Described information point 11 and IP phone 9 comprise telecommunications outlet and the IP phone socket that is distributed in each plant area region, telecommunications outlet and IP phone socket access secondary switches 5 by six class eight core cables, then join by 12 core optical cables and gate inhibition's core switch 7 and closed-circuit television core switch 6.Make full use of existing resource, avoid repeating laying, reduce the cost.
The present invention establishes respectively one or more video surveillance points, access control point, data point and voice point in regions such as the industrial wastewater system of on-site, natural gas pressure regulating station system, hydrogen generator station system, water purification station system, circulating water pump house systems, multiplexing by switch, the video surveillance point of each auxiliary shop of power plant, data point and voice point are shared to a secondary switch and be linked into the mainframe of video monitoring system, then be connected to information monitoring processing center 1 by optical Fiber Closure.
The present invention, connects by optical Fiber Closure, to optical cable, wiring is optimized being connected between video surveillance point, access control point and network and voice messaging point and switch at each auxiliary shop.Utilize effective connection of host exchange and secondary switch, adopt digitizer, effectively integrate thus the favourable resource in each region of plant area, there is the quantity that reduces information system switch; Reduce the quantity of voice cable and optical cable and lay expense and the expense of optical cable welding; Reduce run duration, the expense of optical cable repair and maintenance; Improve the level of digital of Liao Quan factory information system.
The technology of the present invention has obtained good application in the project of multiple-supplying gas energy station, island, Hengqin, Zhuhai.In the project of the multiple-supplying gas energy station on island, Hengqin, Guangdong Province city, 5 auxiliary shops have carried out integrated and switch multiplexing of information system therein, 5 of auxiliary shop access-layer switch have been saved, reduce optical cable quantity 3Km, save the about 3Km of voice cable, reduced the expense of laying of language cable and optical cable and the welding expense of optical cable.Approximately 100,000 yuan of cost savings.After considering that full factory information system is optimized, the raising of the minimizing of repair and maintenance amount and information system level of digital, its overall efficiency is more considerable.
Claims (10)
1. the method that thermal power plant information system is optimized, is characterized in that:
1) each video surveillance point of video monitoring system adopts totally digitilized video camera, realizes the total digitalization of video monitoring system;
2) telephone plant of full factory adopts IP phone equipment;
3) at each auxiliary shop, video surveillance point, access control point and network and voice messaging point are taked to the multiplexing mode of switch, to reduce the quantity of switch;
4) at each auxiliary shop by being connected between video surveillance point, access control point and data access point and audio access point and switch, by optical Fiber Closure, connect, to optical cable, wiring is optimized.
2. the method that a kind of thermal power plant according to claim 1 information system is optimized, is characterized in that: video monitoring system adopts digital equipment, and front-end camera is all linked into the core switch of video monitoring system by switch.
3. the method that a kind of thermal power plant according to claim 1 and 2 information system is optimized, it is characterized in that: multiplexing by switch, the video surveillance point of each auxiliary shop, nexus and language point are shared to a switch and be linked into the mainframe of video monitoring system, then be connected to mis system and communication system by optical Fiber Closure.
4. the method that a kind of thermal power plant according to claim 3 information system is optimized, is characterized in that:
1) access-layer switch of the intrasystem video surveillance point of industrial wastewater and nexus, language point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
2) access-layer switch of the intrasystem video surveillance point in natural gas pressure regulating station and nexus, language point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
3) access-layer switch of the intrasystem video surveillance point of hydrogen generator station and nexus, language point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
4) access-layer switch of the intrasystem video surveillance point of water purification station and nexus, language point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable;
5) access-layer switch of the intrasystem video surveillance point of circulating pump room and nexus, language point carries out multiplexingly, reduces the quantity of switch and the quantity of optical cable.
5. the communication structure that thermal power plant information system is optimized, comprise information processing centre (1), host exchange (2), video voice data integration system (3) and gate control system (4), video voice data integration system (3) is uploaded information with gate control system (4) and is connected to host exchange (2), host exchange (2) is uploaded information to information processing centre (1), it is characterized in that:
1) information processing centre (1) connects and composes data double-way transfer structure with host exchange (2);
2) host exchange (2) is connected with one or more secondary switches (5), and described secondary switch (5) is located at video monitoring regional and the gate control system region of on-site; Video voice data integration system (3) is connected each secondary switch (5) with gate control system (4) by data wire, make video voice data integration system (3) and gate control system (4) and secondary switch (5) set up bi-directional data transfer structure, and connect the data double-way transfer structure between host exchange (2) formation and information processing centre (1) by secondary switch (5);
3) video voice data integration system (3) includes and is distributed in the one or more video surveillance points (10) in each region, audio access point (9) and data access point (11) in factory, described video surveillance point (10), audio access point (9) and the signal output part of data access point (11) and the signal output part of gate control system are connected the input of each secondary switch (5), by secondary switch (5), be sent to successively host exchange (2), information processing centre (1), form the communication structure of the thermal power plant information system optimization of centralized and unified control and management; Described video surveillance point (10) adopts digital camera, and described audio access point (9) adopts IP phone machine.
6. the communication structure that a kind of thermal power plant according to claim 5 information system is optimized, is characterized in that: described host exchange (2) comprises closed-circuit television and gate inhibition's core switch (6,7).
7. the communication structure that a kind of thermal power plant according to claim 6 information system is optimized, is characterized in that: the secondary switch (5) in each region of described factory is by terminal box (8) access closed-circuit television core switch (6) and gate inhibition's core switch (7).
8. the communication structure that a kind of thermal power plant according to claim 7 information system is optimized, is characterized in that: between described terminal box (8) and host exchange (2), adopt four-core fiber to be connected.
9. according to a kind of communication structure of optimizing for thermal power plant information system described in claim 6 or 7, it is characterized in that: described terminal box (8) adopts twelve-core optical fiber to be connected with secondary switch (5).
10. the communication structure that a kind of thermal power plant according to claim 5 information system is optimized, is characterized in that: described IP phone (9) accesses secondary switch (5) by netting twine.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197066A (en) * | 2015-10-19 | 2015-12-30 | 南车资阳机车有限公司 | Installation and wiring structure for 2A-A2 shaft type locomotive shaft temperature alarming and anti-skid unit system |
| CN110233993A (en) * | 2019-06-05 | 2019-09-13 | 国家电网有限公司 | A kind of intelligent substation digital remote Communication Monitor System |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005099183A1 (en) * | 2004-04-06 | 2005-10-20 | Nortel Networks Limited | Differential forwarding in address-based carrier networks |
| CN1917622A (en) * | 2005-08-18 | 2007-02-21 | 北京德瑞塔时代网络技术有限公司 | Sound and image transmission system and method of broadband videoconference in broadcast level |
| CN201215999Y (en) * | 2008-05-23 | 2009-04-01 | 中国科学院沈阳自动化研究所 | Video transmission and monitoring device for underwater robot remote control |
| CN101588477A (en) * | 2008-05-23 | 2009-11-25 | 中国科学院沈阳自动化研究所 | Video transmission and monitoring system for remotely controlling underwater robot |
| CN202085169U (en) * | 2011-06-30 | 2011-12-21 | 内蒙古电力勘测设计院 | Multi-network convergence optical fiber trunk cable network system for power plant |
| CN202600920U (en) * | 2012-05-07 | 2012-12-12 | 上海核工程研究设计院 | Nuclear power comprehensive security management system |
| CN203399223U (en) * | 2013-08-19 | 2014-01-15 | 中国能源建设集团广东省电力设计研究院 | Video monitoring system of direct current power transmission system |
-
2014
- 2014-06-09 CN CN201410253462.4A patent/CN103997628A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005099183A1 (en) * | 2004-04-06 | 2005-10-20 | Nortel Networks Limited | Differential forwarding in address-based carrier networks |
| CN1917622A (en) * | 2005-08-18 | 2007-02-21 | 北京德瑞塔时代网络技术有限公司 | Sound and image transmission system and method of broadband videoconference in broadcast level |
| CN201215999Y (en) * | 2008-05-23 | 2009-04-01 | 中国科学院沈阳自动化研究所 | Video transmission and monitoring device for underwater robot remote control |
| CN101588477A (en) * | 2008-05-23 | 2009-11-25 | 中国科学院沈阳自动化研究所 | Video transmission and monitoring system for remotely controlling underwater robot |
| CN202085169U (en) * | 2011-06-30 | 2011-12-21 | 内蒙古电力勘测设计院 | Multi-network convergence optical fiber trunk cable network system for power plant |
| CN202600920U (en) * | 2012-05-07 | 2012-12-12 | 上海核工程研究设计院 | Nuclear power comprehensive security management system |
| CN203399223U (en) * | 2013-08-19 | 2014-01-15 | 中国能源建设集团广东省电力设计研究院 | Video monitoring system of direct current power transmission system |
Non-Patent Citations (1)
| Title |
|---|
| 崔厚坤等: "无人值班变电站智能安防辅助系统设计", 《电力系统通信》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105197066A (en) * | 2015-10-19 | 2015-12-30 | 南车资阳机车有限公司 | Installation and wiring structure for 2A-A2 shaft type locomotive shaft temperature alarming and anti-skid unit system |
| CN110233993A (en) * | 2019-06-05 | 2019-09-13 | 国家电网有限公司 | A kind of intelligent substation digital remote Communication Monitor System |
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Application publication date: 20140820 |